Global Patent Index - EP 2139814 A1

EP 2139814 A1 20100106 - TITANIFEROUS ORE BENEFICIATION

Title (en)

TITANIFEROUS ORE BENEFICIATION

Title (de)

TITANIUMEISENERZ-VEREDELUNG

Title (fr)

ENRICHISSEMENT D'UN MINERAI TITANIFÈRE

Publication

EP 2139814 A1 20100106 (EN)

Application

EP 08728434 A 20080129

Priority

  • US 2008052276 W 20080129
  • US 72844607 A 20070326

Abstract (en)

[origin: WO2008118527A1] This invention relates to a process for beneficiating a titaniferous ore. The process comprises calcining the titaniferous ore, at least one alkali or alkaline earth metal salt, and at least one alumina-containing material in the presence of oxygen to form a calcined ore mixture, then leaching the calcined ore mixture with a solution comprising ammonium. sodium or magnesium chloride in the presence of oxygen to form a leached ore mixture, and contacting the leached ore with an acid to form a beneficiated ore.

IPC 8 full level

C01G 23/047 (2006.01); C22B 1/02 (2006.01); C22B 34/12 (2006.01)

CPC (source: EP US)

C01G 23/047 (2013.01 - EP US); C22B 1/02 (2013.01 - EP US); C22B 34/1209 (2013.01 - EP US); C22B 34/1213 (2013.01 - EP US); C22B 34/1245 (2013.01 - EP US); C01P 2006/80 (2013.01 - EP US); Y02P 10/20 (2015.11 - EP)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2008118527 A1 20081002; AU 2008231270 A1 20081002; AU 2008231270 B2 20121011; BR PI0805815 A2 20110830; BR PI0805815 B1 20180814; CA 2666153 A1 20081002; CA 2666153 C 20110503; CN 101547864 A 20090930; EP 2139814 A1 20100106; EP 2139814 A4 20111026; EP 2139814 B1 20180912; ES 2700625 T3 20190218; TW 200904759 A 20090201; TW I418514 B 20131211; US 2008241026 A1 20081002; US 7494631 B2 20090224

DOCDB simple family (application)

US 2008052276 W 20080129; AU 2008231270 A 20080129; BR PI0805815 A 20080129; CA 2666153 A 20080129; CN 200880000955 A 20080129; EP 08728434 A 20080129; ES 08728434 T 20080129; TW 97106884 A 20080227; US 72844607 A 20070326